Table 5.

Reduced model exploration of the significant interactions from the model-building analyses. Lutein, choline, and lutein X choline were used to predict the difference in latency to peak amplitude of the negative deflection seen between 200 and 900 ms when viewing novel vs. familiar stimuli.

Lead Grouping	Variable	β	SE	t-Value	p-Value	Model F	Model p	Model R-sq
Frontal Right	Intercept	−55.56	107.18	−0.52	0.60	1.61	0.20	0.08
	Lutein	−0.13	4.96	−0.03	0.97
	Choline	0.72	0.59	1.23	0.22
	Lutein X Choline	−0.02	0.02	−0.59	0.56
Frontal Left	Intercept	−64.97	91.33	−0.71	0.48	2.60	0.06 ^	0.13
	Lutein	9.38	4.23	2.22	0.03 *
	Choline	0.38	0.50	0.77	0.45
	Lutein X Choline	−0.05	0.02	−2.30	0.03 *
Central Z	Intercept	−266.55	96.55	−2.77	0.008 **	5.26	0.003 **	0.24
	Lutein	15.66	4.46	3.51	0.0009 ***
	Choline	1.13	0.53	2.15	0.04 *
	Lutein X Choline	−0.09	0.02	−3.78	0.0004 ***
Midline	Intercept	−69.21	93.32	−0.74	0.46	1.71	0.18	0.09
	Lutein	7.05	4.32	1.63	0.11
	Choline	0.42	0.51	0.82	0.42
	Lutein X Choline	−0.05	0.02	−1.93	0.06 ^

*** Significant at p < 0.001; ** Significant at p < 0.01; * Significant at p < 0.05; ^ Trending toward significance at p < 0.10.